3ug by SDS-PAGE under reducing condition and visualized by coomassie blue stain
SARS-CoV-2 Spike RBD is coated at 5ug/ml (100 ul/well) can bind ACE-2 in a functional ELISA assay.
Supplier Page from United States Biological for SARS-CoV-2 (2019-nCoV) Spike RBD, Recombinant, aa319-529, His-Tag